Artikel Jurnal
Cheney, Scott, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Rubini Jusuf, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
Mc Graw Hill, 1996
Buku Teks
Fajar Ariwinadi, author
Universitas Indonesia, 2008
UI - Tesis (Open)